/* ============================================
   MUSIC PAGE — Audio Player
   ============================================ */

.ui-music-container {
  width: 100%;
  max-width: var(--content-narrow, 720px);
  margin: 0 auto;
}

/* Track list */
.ui-music-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
}

.ui-music-track {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.ui-music-track:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-text-tertiary);
}

.ui-music-track.is-active {
  border-color: var(--color-accent);
  background: var(--color-bg-subtle);
}

.ui-music-track-cover {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  background: var(--color-bg-subtle);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
}

.ui-music-track-number {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
}

.ui-music-track-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.ui-music-track-title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ui-music-track-desc {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.ui-music-track-date {
  font-family: var(--font-display);
  font-size: 0.6rem;
  color: var(--color-text-disabled);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.ui-music-track-meta {
  flex-shrink: 0;
}

.ui-music-track-duration {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
}

.ui-music-play-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-tertiary);
  cursor: pointer;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.ui-music-play-btn:hover {
  background: var(--color-accent);
  border-color: var(--color-accent);
  color: var(--color-text-primary);
}

.ui-music-track.is-active .ui-music-play-btn {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

/* Player bar */
.ui-music-player {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  position: sticky;
  bottom: var(--space-4);
}

.ui-music-player-track {
  flex: 1;
  min-width: 0;
}

.ui-music-player-title {
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: var(--color-text-primary);
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
}

.ui-music-player-controls {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.ui-music-player-btn {
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text-secondary);
  cursor: pointer;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.ui-music-player-btn:hover {
  background: var(--color-bg-hover);
  border-color: var(--color-text-tertiary);
  color: var(--color-text-primary);
}

.ui-music-player-btn-play {
  width: 40px;
  height: 40px;
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.ui-music-player-btn-play:hover {
  background: var(--color-accent);
  color: var(--color-text-primary);
}

.ui-music-player-progress {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex: 1;
  min-width: 120px;
}

.ui-music-player-time {
  font-family: var(--font-display);
  font-size: var(--text-xs);
  color: var(--color-text-tertiary);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
  min-width: 3ch;
}

.ui-music-player-bar {
  flex: 1;
  height: 4px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  cursor: pointer;
  position: relative;
}

.ui-music-player-bar-fill {
  height: 100%;
  background: var(--color-accent);
  border-radius: var(--radius-full);
  width: 0%;
  transition: width 0.1s linear;
}

.ui-music-player-volume {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  flex-shrink: 0;
}

.ui-music-player-volume-slider {
  width: 64px;
  height: 4px;
  -webkit-appearance: none;
  appearance: none;
  background: var(--color-border);
  border-radius: var(--radius-full);
  outline: none;
  cursor: pointer;
}

.ui-music-player-volume-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: none;
  cursor: pointer;
}

.ui-music-player-volume-slider::-moz-range-thumb {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--color-accent);
  border: none;
  cursor: pointer;
}

.ui-music-player-btn.is-muted {
  color: var(--color-text-tertiary);
  opacity: 0.5;
}

/* Empty state */
.ui-music-empty {
  text-align: center;
  padding: var(--space-12) var(--space-4);
  color: var(--color-text-tertiary);
  font-family: var(--font-display);
  font-size: var(--text-sm);
}

/* Responsive */
@media (max-width: 768px) {
  .ui-music-player {
    flex-wrap: wrap;
    gap: var(--space-3);
    padding: var(--space-3);
  }

  .ui-music-player-track {
    width: 100%;
    order: -1;
  }

  .ui-music-player-progress {
    order: 0;
    min-width: 0;
    width: 100%;
  }

  .ui-music-player-controls {
    order: 1;
  }

  .ui-music-player-volume {
    order: 2;
  }

  .ui-music-player-volume-slider {
    width: 48px;
  }

  .ui-music-track {
    padding: var(--space-2) var(--space-3);
  }
}

@media (max-width: 480px) {
  .ui-music-track-desc {
    display: none;
  }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  .ui-music-player-bar-fill {
    transition: none;
  }
}